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# $Id: bsd.obj.mk,v 1.3 1996/04/22 23:31:39 wosch Exp $
#
# The include file <bsd.obj.mk> handles creating 'obj' directory
# and cleaning up object files, log files etc.
#
#
# +++ variables +++
#
# BSDSRCDIR The real path to the system sources, so that 'make obj'
# will work correctly. [/usr/src]
#
# BSDOBJDIR The real path to the system 'obj' tree, so that 'make obj'
# will work correctly. [/usr/obj]
#
# CLEANFILES Additional files to remove for the clean and cleandir targets.
#
# MAKEOBJDIR A file name to the directory where the targets
# are built. Note: MAKEOBJDIR is an *enviroment* variable
# and does work proper only if set as enviroment variable,
# not as global or command line variable! [obj]
#
# E.g. use `env MAKEOBJDIR=obj-amd make'
#
# NOOBJ Do not create 'obj' directory if defined. [not set]
#
# NOOBJLINK Create 'obj' directory in current directory instead
# a symbolic link to the 'obj' tree if defined. [not set]
#
#
# +++ targets +++
#
# clean:
# remove a.out Errs errs mklog ${CLEANFILES}
#
# cleandir:
# remove all of the files removed by the target clean,
# cleandepend (see bsd.dep.mk) and 'obj' directory.
#
# obj:
# create 'obj' directory.
#
.if defined(MAKEOBJDIR) && !empty(MAKEOBJDIR)
__objdir = ${MAKEOBJDIR}
.else
.if defined(MACHINE) && !empty(MACHINE)
__objdir = obj # obj.${MACHINE}
.else
__objdir = obj
.endif
.endif
.if !target(obj)
.if defined(NOOBJ)
obj:
.else
obj: _SUBDIRUSE cleanobj
.if defined(NOOBJLINK)
mkdir ${.CURDIR}/${__objdir}
.else
@if test -d ${BSDOBJDIR}; then \
cd ${.CURDIR}; here=${.CURDIR}; \
dest=${BSDOBJDIR}`echo $$here | \
sed "s,^${BSDSRCDIR},,"`/${__objdir}; \
${ECHO} "$$here/${__objdir} -> $$dest"; \
ln -s $$dest ${__objdir}; \
if test ! -d $$dest; then \
mkdir -p $$dest; \
fi; \
else \
${ECHO} "obj tree \"${BSDOBJDIR}\" does not exist."; \
fi
.endif
.endif
.endif
#
# cleanup
#
cleanobj:
rm -f -r ${.CURDIR}/${__objdir}
cleanfiles:
rm -f a.out Errs errs mklog ${CLEANFILES}
# see bsd.dep.mk
.if !target(cleandepend)
cleandepend:
.endif
.if !target(clean)
clean: _SUBDIRUSE cleanfiles
.endif
cleandir: _SUBDIRUSE cleanfiles cleandepend cleanobj
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